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CVE-2021-21958

🗓️ 22 May 2025 18:19:24Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 8 Views

Heap-based buffer overflow in Hancom Office 2020 could allow arbitrary code execution.

Related
Refs
ReporterTitlePublishedViews
Family
BDU FSTEC
The vulnerability of the Hword function (HwordApp.dll) in the Hancom Office software package allows a perpetrator to execute arbitrary code.
25 Feb 202200:00
bdu_fstec
Circl
CVE-2021-21958
16 Feb 202220:36
circl
CNNVD
Hancom Office 缓冲区错误漏洞
16 Feb 202200:00
cnnvd
CVE
CVE-2021-21958
16 Feb 202216:38
cve
Cvelist
CVE-2021-21958
16 Feb 202216:38
cvelist
EUVD
EUVD-2021-9129
3 Oct 202520:07
euvd
NVD
CVE-2021-21958
16 Feb 202217:15
nvd
Prion
Heap overflow
16 Feb 202217:15
prion
Talos
Hancom Office 2020 Hword HwordApp.dll SectorLoc heap-based buffer overflow
15 Feb 202200:00
talos
Vulnrichment
CVE-2021-21958
16 Feb 202216:38
vulnrichment
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08 Oct 2025 09:41Current
8.1High risk
Vulners AI Score8.1
CVSS 26.8
CVSS 3.17.8
CVSS 37.8
EPSS0.0103
SSVC
8